22011027 has 4 divisors (see below), whose sum is σ = 29348040. Its totient is φ = 14674016.

The previous prime is 22011001. The next prime is 22011037. The reversal of 22011027 is 72011022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22011027 - 2¹⁰ = 22010003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22010997 and 22011015.

It is not an unprimeable number, because it can be changed into a prime (22011037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668502 + ... + 3668507.

It is an arithmetic number, because the mean of its divisors is an integer number (7337010).

Almost surely, 2^22011027 is an apocalyptic number.

22011027 is a deficient number, since it is larger than the sum of its proper divisors (7337013).

22011027 is an equidigital number, since it uses as much as digits as its factorization.

22011027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337012.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 22011027 is about 4691.5910947140. The cubic root of 22011027 is about 280.2507405304.

Adding to 22011027 its reverse (72011022), we get a palindrome (94022049).

The spelling of 22011027 in words is "twenty-two million, eleven thousand, twenty-seven".